UtilityPerformance profile
Satoh Bison S650
The Satoh Bison S650 is a compact utility tractor designed for small farms and light work. It has a 2WD chassis and manual steering, making it easy to handle in tight spaces. The tractor comes with a 6-forward and 2-reverse gear transmission, giving drivers good control over speed and power. Under the hood, the Bison S650 features a Mazda gasoline engine with 4 cylinders. The engine is liquid-cooled and naturally aspirated, producing 25 hp at 2800 rpm. While its power output is below average for tractors, its high rpm rating makes it suitable for tasks that need quick engine response. The tractor's small size, measuring 105.1 inches long, 52.9 inches wide, and 54.7 inches high to the steering wheel, allows it to work in cramped areas. It weighs 2105 lb, which is on the lighter side for tractors, making it less likely to compact soil. The Bison S650 also comes with a category I hitch, useful for attaching various implements.
ManufacturerSatohPower25 hpEngine4-cylTransUnsynchronized Gear
Quick specs
- Category
- Utility
- Engine Power Output
- 25hp
- Operating Weight
- 2,105 lb
- Transmission
- Unsynchronized Gear
At a glance
How the Bison S650 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
25 hp · 16th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The Bison S650 ranks at the 16th percentile for engine power among recorded utility tractors.
Overview
About the Satoh Bison S650
The Satoh Bison S650 is a compact utility tractor designed for small farms and light work. It has a 2WD chassis and manual steering, making it easy to handle in tight spaces. The tractor comes with a 6-forward and 2-reverse gear transmission, giving drivers good control over speed and power. Under the hood, the Bison S650 features a Mazda gasoline engine with 4 cylinders. The engine is liquid-cooled and naturally aspirated, producing 25 hp at 2800 rpm. While its power output is below average for tractors, its high rpm rating makes it suitable for tasks that need quick engine response. The tractor's small size, measuring 105.1 inches long, 52.9 inches wide, and 54.7 inches high to the steering wheel, allows it to work in cramped areas. It weighs 2105 lb, which is on the lighter side for tractors, making it less likely to compact soil. The Bison S650 also comes with a category I hitch, useful for attaching various implements.
Full specifications
Every recorded spec
General
| Manufacturer | Satoh |
|---|---|
| Model | Bison S650 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Operating weight | 2,105lb |
Engine
| Make | Mazda |
|---|---|
| Power | 25hp |
| Cylinders | 4 |
| Displacement | 60.2ci |
| Bore | 2.68in |
| Stroke | 2.68in |
Transmission
| Type | Unsynchronized Gear |
|---|---|
| Forward gears | 6 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Dimensions
| Length | 105.1in |
|---|---|
| Width | 52.9in |
| Height | 54.7in |
| Operating weight | 2,105lb |
Capacities
| Cooling system | 1.25gal |
|---|
Head to head
Bison S650 vs. Utility median
How the Satoh Bison S650 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 25 hp | 55 hp | -55% | 16th |
| Engine Displacement | 60.2 ci | 183 ci | -67% | 6th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 6 | 12 | -50% | 11th |
| Operating Weight | 2,105 lb | 5,303 lb | -60% | 13th |
| Length | 105 in | 137 in | -23% | 12th |
| Width | 52.9 in | 66 in | -20% | 22nd |
| Height | 54.7 in | 94.1 in | -42% | 5th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Satoh tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Satoh Bison S650G | 25 hp | 2,105 lb | 1973–1983 | Compare → |
| Satoh Bull S630 | 25 hp | 2,006 lb | — | Compare → |
| Satoh ST2620 | 26 hp | — | — | Compare → |
| Satoh ST2640 | 26 hp | — | — | Compare → |
| Satoh ST2340 | 23 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 5020 | 25 hp | 2,060 lb | 1977–1985 | Compare → |
| Allis Chalmers FD3 | 25 hp | 3,150 lb | — | Compare → |
| Apollo 254 | 25 hp | — | — | Compare → |
| Belarus 254 | 25 hp | — | — | Compare → |
| Bobcat CT1025 | 24.5 hp | 1,488 lb | — | Compare → |
Explore
Satoh siblings
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Gallery
Satoh Bison S650 photos
FAQ
Common questions
What is the engine power output of the Satoh Bison S650?
Rated engine output for the Satoh Bison S650 is 25 hp, delivered by a 4-cylinder engine. The engine displaces 60.2 ci.
Which transmission does the Satoh Bison S650 use?
The Satoh Bison S650 is equipped with an Unsynchronized Gear transmission with 6 forward gears.
What three-point hitch category does the Satoh Bison S650 use?
The Satoh Bison S650 has a Category I three-point hitch.
What is the operating weight of the Satoh Bison S650?
In working trim, the Satoh Bison S650 comes in at roughly 2,105 lb.
How do I maintain a Satoh Bison S650?
Routine service for the Satoh Bison S650 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.